The moral and intellectual principle that one should withhold judgment about seemingly strange or exotic beliefs and practices is:

The correct answer is: Cultural relativism.

Explanation:

Cultural relativism can be understood as the idea that proposes that one should try to understand another's person behavior, belief's, and practices not according to our own cultural criteria, but according to the person's own culture.

It is the opposite to ethnocentrism. Ethnocentrism occurs when you evaluate other cultures based on yours. So for instance, you think that eating raw fish is disgusting because the only way to eat fish is cooked like in your own country.

In conclusion, The moral and intellectual principle that one should withhold judgment about seemingly strange or exotic beliefs and practices is: Cultural relativism.